3885135797 has 8 divisors (see below), whose sum is σ = 3972745656. Its totient is φ = 3798055872.

The previous prime is 3885135743. The next prime is 3885135803. The reversal of 3885135797 is 7975315883.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1537345681 + 2347790116 = 39209^2 + 48454^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3885135797 - 2¹⁶ = 3885070261 is a prime.

It is a super-2 number, since 2×3885135797² = 30188560322261650418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3885135997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117638 + ... + 146999.

It is an arithmetic number, because the mean of its divisors is an integer number (496593207).

Almost surely, 2^3885135797 is an apocalyptic number.

It is an amenable number.

3885135797 is a deficient number, since it is larger than the sum of its proper divisors (87609859).

3885135797 is a wasteful number, since it uses less digits than its factorization.

3885135797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264967.

The product of its digits is 6350400, while the sum is 56.

The square root of 3885135797 is about 62330.8575025244. The cubic root of 3885135797 is about 1572.0586133068.

The spelling of 3885135797 in words is "three billion, eight hundred eighty-five million, one hundred thirty-five thousand, seven hundred ninety-seven".